diff --git a/freedoi/settings.py b/freedoi/settings.py
index 68acd40..cf259d9 100644
--- a/freedoi/settings.py
+++ b/freedoi/settings.py
@@ -5,10 +5,10 @@ from autosecretkey import AutoSecretKey
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent
 
-ask = AutoSecretKey("settings.ini", template=BASE_DIR / "settings.ini.template")
+ASK = AutoSecretKey("settings.ini", template=BASE_DIR / "settings.ini.template")
 
-SECRET_KEY = ask.secret_key
-CONFIG = ask.config
+SECRET_KEY = ASK.secret_key
+CONFIG = ASK.config
 DEBUG = CONFIG.getboolean("FreeDOI", "debug", fallback=False)
 
 ALLOWED_HOSTS = CONFIG.get("FreeDOI", "host", fallback="*").split(",")
@@ -69,12 +69,37 @@ WSGI_APPLICATION = "freedoi.wsgi.application"
 # Database
 # https://docs.djangoproject.com/en/5.0/ref/settings/#databases
 
-DATABASES = {
-    "default": {
-        "ENGINE": "django.db.backends.sqlite3",
-        "NAME": "db.sqlite3",
+if (dbtype := "MySQL") in ASK.config or (dbtype := "MariaDB") in ASK.config:
+    DATABASES = {
+        "default": {
+            "ENGINE": "django.db.backends.mysql",
+            "NAME": ASK.config.get(dbtype, "Database"),
+            "USER": ASK.config.get(dbtype, "Username"),
+            "PASSWORD": ASK.config.get(dbtype, "Password"),
+            "HOST": ASK.config.get(dbtype, "Host", fallback="localhost"),
+            "PORT": ASK.config.getint(dbtype, "Port", fallback=3306),
+        }
+    }
+
+elif (dbtype := "Postgres") in ASK.config or (dbtype := "PostgreSQL") in ASK.config:
+    DATABASES = {
+        "default": {
+            "ENGINE": "django.db.backends.postgresql",
+            "NAME": ASK.config.get(dbtype, "Database"),
+            "USER": ASK.config.get(dbtype, "Username"),
+            "PASSWORD": ASK.config.get(dbtype, "Password"),
+            "HOST": ASK.config.get(dbtype, "Host", fallback="localhost"),
+            "PORT": ASK.config.getint(dbtype, "Port", fallback=5432),
+        }
+    }
+
+else:
+    DATABASES = {
+        "default": {
+            "ENGINE": "django.db.backends.sqlite3",
+            "NAME": "db.sqlite3",
+        }
     }
-}
 
 
 # Password validation